Which mineral property can be determined simply by observation a) reaction to acid b) magnetic properties c) luster d) hardness

Match the following items. 1 1 (4,4) 2. (-4,-2) 3. (3.-6) 4. (-4, 6) 5. (1,5)

Which of the following east asian contries are a peninsula? a. china b. taiwan c. south korea d. mongolia

The vegetation that thrives in the tundra is limited to a. mosses, barley, wheat, and corn. b. coniferous trees. c. dwarf shrubs, mosses, lichen, potatoes, and beans. d. mosses, lichen, algae, and dwarf shrubs.